HIMMATULIZA, ASTINESIA (2016) PENGOLAHAN LIMBAH CAIR INDUSTRI MINYAK KELAPA SAWIT MENJADI BIOGAS MENGGUNAKAN DIGESTER BALOK SISTEM FED BATCH. Other thesis, POLITEKNIK NEGERI SRIWIJAYA.
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Abstract
Palm oil mill effluent is the biggest waste which is produced from palm oil production. Palm oil mill effluent containing organic matter, has a low pH, which is 4-5, and contains high levels of biological oxygen demand (BOD) and chemical oxygen demand (COD) is high, ie 28000 mg/l and 48000 mg/l. To reduce the levels of pollution caused by oil palm industry wastewater, is necessary to do stages of processing using a biological process that involves aerobic and anaerobic bacteria so that it can be utilized as a new product that has economic value, one is biogas. The processing into biogas in anaerobic performed by fed batch system. The process of anaerobic fermentation in fed batch is done by time variation of the addition of the substrate. The mixture of palm oil industry wastewater and cow dung are fermented for a month and then after one month substrates are added gradually as much as 1 liter into the digester with a variety of additional time is 1 day, 2 days, and 5 days. The interval of addition of the substrate give effect to the pH and the quantity of biogas produced. The highest increasing of the quantity of biogas is at the time the addition of substrate every fifth day, as much as to 25.14%. The best time of addition of the substrate is every 5 days. The optimum pH for the formation of biogas is 7.
| Item Type: | Thesis (Other) |
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| Uncontrolled Keywords: | Air limbah industri minyak kelapa sawit (POME), fed batch, biogas |
| Subjects: | T Technology > TP Chemical technology |
| Divisions: | Chemical Engineering > Undergraduate Theses |
| Depositing User: | Mrs Trisni Handayani |
| Date Deposited: | 29 Sep 2017 08:04 |
| Last Modified: | 29 Sep 2017 08:04 |
| URI: | http://eprints.polsri.ac.id/id/eprint/4105 |
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